Including current and noncurrent portions, aggregate carrying amount of long-term borrowings and capital lease obligations as of the balance sheet date before deducting unamortized discount or premiums (if any).

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The amount of long-term debt reclassified to current portion of long-term during the reporting period.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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The effective interest rate at the end of the reporting period.

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Interest rate stated in the contractual debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The amount of debt discount (net of debt premium) that was originally recognized at the issuance of the instrument that has yet to be amortized.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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Obligation related to long-term debt (excluding convertible debt) and capital leases, the portion which is due in one year or less in the future.

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Long-Term Debt (Details) (USD $) In Millions, unless otherwise specified																6 Months Ended			6 Months Ended
	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2011 Senior Secured Term Loan due 2014	Dec. 31, 2010 Senior Secured Term Loan due 2014	Jun. 30, 2011 9.25% Senior Notes due 2014	Dec. 31, 2010 9.25% Senior Notes due 2014	Jun. 30, 2011 Floating Rate Senior Notes due 2015 (4.215% as of June 30, 2011 and 4.344% as of December 31, 2010)	Dec. 31, 2010 Floating Rate Senior Notes due 2015 (4.215% as of June 30, 2011 and 4.344% as of December 31, 2010)	Jun. 30, 2011 Senior Notes due 2017 (8.75%)	Dec. 31, 2010 Senior Notes due 2017 (8.75%)	Jun. 30, 2011 Senior Notes due 2018 (10.0%)	Dec. 31, 2010 Senior Notes due 2018 (10.0%)	Jun. 30, 2011 Senior Notes due 2019 (11.875%)	Jan. 31, 2011 Senior Notes due 2019 (11.875%)	Jun. 30, 2011 Senior Notes due 2019 (9.375%)	Jun. 30, 2011 Senior Notes due 2019 (8.125%)	Jun. 30, 2011 Convertible Senior Notes due 2011 (5.25%)	Dec. 31, 2010 Convertible Senior Notes due 2011 (5.25%)	Jun. 30, 2011 Convertible Senior Notes due 2012 (3.5%)	Dec. 31, 2010 Convertible Senior Notes due 2012 (3.5%)	Jun. 30, 2011 Convertible Senior Notes due 2013 (15.0%)	Dec. 31, 2010 Convertible Senior Notes due 2013 (15.0%)	Jun. 30, 2011 Convertible Senior Discount Notes due 2013 (9.0%)	Dec. 31, 2010 Convertible Senior Discount Notes due 2013 (9.0%)	Jun. 30, 2011 Convertible Senior Notes due 2015 (7.0%)	Dec. 31, 2010 Convertible Senior Notes due 2015 (7.0%)	Jun. 30, 2011 Convertible Senior Notes due 2015 Series B (7.0%)	Dec. 31, 2010 Convertible Senior Notes due 2015 Series B (7.0%)	Jun. 30, 2011 6.5% Convertible Senior Notes due in 2016	Dec. 31, 2010 6.5% Convertible Senior Notes due in 2016	Jun. 30, 2011 Commercial Mortgage due 2015 (9.86%)	Dec. 31, 2010 Commercial Mortgage due 2015 (9.86%)	Jun. 30, 2011 Capital Leases	Dec. 31, 2010 Capital Leases	Jun. 30, 2011 Embedded derivative contracts	Dec. 31, 2010 Embedded derivative contracts
Long-term debt
Total Debt Obligations	$ 7,296	$ 6,527	$ 1,680	$ 1,680	$ 807	$ 1,250	$ 300	$ 300	$ 700	$ 700	$ 640	$ 640	$ 605		$ 500	$ 600		$ 196	$ 294	$ 294	$ 400	$ 400		$ 295	$ 200	$ 200	$ 275	$ 275	$ 201	$ 201	$ 66	$ 67	$ 28	$ 29
Unamortized (Discount) Premium:
Total Unamortized (Discount) Premium	(72)	(79)	(1)	(1)	4	7					(11)	(12)	(11)		(10)	(4)		(20)	(20)	(29)					(3)	(3)									(16)	(21)
Carrying Value of Debt	7,224	6,448
Less current portion	(875)	(180)
Long-term Debt, less current portion	6,349	6,268
Reclassification to current portion of long-term debt																$ 600			$ 294
Debt instrument, stated interest rate (as a percent)					9.25%				8.75%		10.00%		11.875%	11.875%	9.375%	8.125%	5.25%		3.50%		15.00%		9.00%		7.00%		7.00%		6.50%		9.86%
Debt instrument, effective interest rate at end of period (as a percent)							4.215%	4.344%